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1201890-13-2

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1201890-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1201890-13-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,8,9 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1201890-13:
(9*1)+(8*2)+(7*0)+(6*1)+(5*8)+(4*9)+(3*0)+(2*1)+(1*3)=112
112 % 10 = 2
So 1201890-13-2 is a valid CAS Registry Number.

1201890-13-2Relevant articles and documents

Isothiourea-Catalyzed Enantioselective Functionalization of 2-Pyrrolyl Acetic Acid: Two-Step Synthesis of Stereodefined Dihydroindolizinones

Zhang, Shuyue,Taylor, James E.,Slawin, Alexandra M. Z.,Smith, Andrew D.

, p. 5482 - 5485 (2018)

Catalytic enantioselective functionalization of 2-pyrrolyl acetic acid with trichloromethyl enones using isothiourea catalysis is reported, leading to a range of stereodefined diesters and diamides after nucleophilic ring opening with either methanol or b

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